CN101841858A - Load information interaction method, device and system - Google Patents
Load information interaction method, device and system Download PDFInfo
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- CN101841858A CN101841858A CN200910080287A CN200910080287A CN101841858A CN 101841858 A CN101841858 A CN 101841858A CN 200910080287 A CN200910080287 A CN 200910080287A CN 200910080287 A CN200910080287 A CN 200910080287A CN 101841858 A CN101841858 A CN 101841858A
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Abstract
The embodiment of the invention discloses a load information interaction method comprising the following steps of: sending the load information of a cell managed by an access network node and the identifications of target cells positioned in other systems to a top management node by the access network node of a first system; and receiving the information returned by the top management node, wherein the information carries the load information of the target cells. The embodiment of the invention simultaneously provides a device and a system for realizing the method. The embodiment of the invention provides a specific scheme for interacting the load information of the cells among different systems so that each system fully knows the load situations of the cells in other systems, and therefore, a network side can comprehensively take the load situations of a service cell of the current UE (User Equipment) and other cells after receiving the measuring report of user equipment (UE) in an activated state to select the cell with lower load as the target cell for the UE and switch the cells, thereby improving load balancing situations and improving the integral performance of the system.
Description
Technical field
The present invention relates to the mobile communication technology field, more particularly, relate to a kind of load information interaction method device and system.
Background technology
Long Term Evolution (LTE)/system architecture evolution (SAE) for the systems organization after the evolution new wireless access network and interface between core net and wireless access network internal interface: S1 interface and X2 interface.In the LTE system, by the mutual cell load information of X2 interface, realize intrasystem load balancing between base station (eNB).
But for different system, as load balancing between wireless access network (GERAN) system of wireless access network (UTRAN) system of LTE system, UMTS and GSM/EDGE, prior art does not have concrete implementation so far.
Summary of the invention
In view of this, the invention provides a kind of load information interaction method, device and system, to realize the mutual of cell load information between different system.
A kind of load information interaction method is characterized in that, comprising:
The access network node of first system sends the load information of the sub-district of described access network node management to the tension management node, and is in the sign of the Target cell of other system;
Receive the information of the load information that carries described Target cell that described tension management node returns.
The embodiment of the invention also discloses a kind of load information interaction device, is arranged at access network node, comprising:
The load information transmitting element is used for sending to the tension management node of described access network node the load information of the sub-district of described access network node management, and is in the sign of the Target cell of other system;
The load information receiving element receives the information of the load information that carries described Target cell that described tension management node returns.
In addition, the embodiment of the invention also provides a kind of load information interaction system simultaneously, comprises access network node and core net node, wherein:
Described access network node is used for: send the load information message transfer to the core net node of native system, this load information message transfer carries the load information of sub-district of described access network node management and the sign of Target cell; And, receive the load information message transfer of the load information that carries Target cell that described core net node returns;
Described core net node is used for: the core net node that the load information message transfer of described access network node transmission is sent to described Target cell place system; And, with the load information message transfer of the core net node load information that return, that carry described Target cell of described Target cell place system.
From above-mentioned technical scheme as can be seen, the embodiment of the invention provides the mutual concrete scheme of carrying out cell load information between different system, make each system fully understand the cell load situation of other system, thereby make network side behind the measurement report that receives the UE that is in activated state, can consider the Serving cell of present described UE and the load state of other sub-districts comprehensively, and then can select the lower sub-district of load as Target cell for described UE, and switch, thereby can improve the load balancing situation, the overall performance of elevator system.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the disclosed a kind of load information interaction method flow chart of the embodiment of the invention;
Fig. 2 is in the embodiment of the invention, the reciprocal process of load information between first system and second system;
Fig. 3 is in the embodiment of the invention, the handoff procedure of UE from E-UTRAN to the UTRAN/GERAN system;
Fig. 4 is in the embodiment of the invention, the handoff procedure of UE from UTRAN/GERAN to the E-UTRAN system;
The structural representation of a kind of load information interaction system that Fig. 5 provides for the embodiment of the invention;
The structural representation of a kind of load information interaction device that Fig. 6 provides for the embodiment of the invention.
Embodiment
For quote and know for the purpose of, hereinafter the technical term of Shi Yonging, write a Chinese character in simplified form or abridge and be summarized as follows:
LTE:Long Term Evolution, Long Term Evolution;
SAE:System Architecture Evolution, system architecture evolution;
UMTS:Universal Mobile Telecommunications System, universal mobile telecommunications system;
UTRAN:UMTS Terrestrial Radio Access Network, the wireless access network of UMTS;
GERAN:GSM/EDGE Radio Access Network, the wireless access network of GSM/EDGE;
MME:Mobility Management Entity, mobile management entity;
S-GW:Serving-Gateway, gateway;
ENode B (eNB): base station;
RRM:Radio Resource Management, RRM;
RNC:Radio Network Controller, radio network controller;
BSS:Base Station Subsystem, base station sub-system;
GPRS:General Packet Radio Service, GPRS;
SGSN:Serving GPRS Support Node service universal packet wireless business affair support node;
OAM:Operation Administration Maintenance, operation management maintain;
GBR:Guaranteed Bit Rate guarantees bit rate.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention discloses a kind of load information interaction method, to realize the mutual of load information between different system.
Detailed process may further comprise the steps as shown in Figure 1:
The access network node of step S11, first system sends the load information of this node management sub-district to upper layer node, and is in the sign of the Target cell of second system.
Described load information can comprise any one or the combination in any in the load information of load information, non-GBR of transport layer load information, PRB load information, hardware load information, GBR carrying.
Step S12, described access network node receive the load information of the described Target cell of described upper layer node transmission.
Described access network node can be eNB, RNC or BSS, and corresponding, described core net node can be MME or SGSN.
Described load information interaction process can be independently, also can be arranged in the cell switch process, in other words, load information, the Target cell load information of described node management sub-district can be information independently, also can be to be arranged in the relevant switching message, describe respectively below by several embodiment:
Suppose that first system is the LTE system, its access network node is eNB, and second system is the UTRAN/GERAN system, and its access network node is RNC; Upper layer node is MME/SGSN, and then the reciprocal process of load information can may further comprise the steps as shown in Figure 2 between first system and second system:
Step S21, eNB send the load information message transfer to MME, and this message is carried the load information of the sub-district of this eNB management, and Target cell ID;
It is can be to carry out at any time that eNB sends the load information message transfer to MME, also can carry out under predetermined condition, and described predetermined condition can be that the loading level of the sub-district of eNB management reaches predetermined threshold.
Step S22, MME change the load information message transfer before SGSN;
Step S23, SGSN initiate the load information request message to RNC/BSS;
Step S24-step S25, RNC/BSS preserve the load information of LTE sub-district, and carry the load information of Target cell in the load information message transfer.
Step S26, SGSN change the load information message transfer before MME.
Step S27, MME return the load information message transfer to eNB.
Step S28, eNB store the load information of described Target cell.
Message transmission between eNB and the RNC/BSS can be undertaken by the S1/Iu/Gb interface.
So far, promptly finished the mutual of cell load information between first system and second system, so, each system can take all factors into consideration the cell load in native system and the other system, when each cell load is heavier in native system, can select in the other system load proper cell as Serving cell, thereby improve the load balancing situation between different system.
In a further embodiment, in the intersystem cell handoff procedure, realize the mutual of cell load information, that is to say, cell load information is arranged in the relevant switching message, Fig. 3 shows the handoff procedure of UE from origin system (E-UTRAN system) to goal systems (UTRAN/GERAN system), may further comprise the steps:
Step S31, after UE triggers switching flow, the eNB of origin system (hereinafter being referred to as source eNB) is to the MME of origin system (hereinafter being referred to as source MME), send to switch and prepare message, except sub-district (cell-of-origin hereinafter referred to as) ID, the Target cell ID that carry origin system, also carry the load information of cell-of-origin in this switching preparation message.
Step S32, source MME are to the preceding commentaries on classics handoff request message of the SGSN of goal systems (hereinafter being referred to as target SGSN), and this handoff request message is carried the cell-of-origin load information.
Step S33, target SGSN and destination service gateway are set up carrying.That is: target SGSN sends the carrying request of setting up to target S-GW, and target S-GW returns to described target SGSN and sets up the carrying response.
Step S34, target SGSN (hereinafter are referred to as Target RNC/BSS) and send handoff request message, cell-of-origin load information in this message to the RNC/BSS of goal systems; Target RNC/BSS preserves and carries the cell-of-origin load information.
Step S35, Target RNC/BSS return switching request acknowledgement message (perhaps switch failure information) to target SGSN, and this switching request acknowledgement message (perhaps switch failure information) is carried the load information of Target cell.
Step S36, deleting bearing.That is: target SGSN sends the deleting bearing request to target S-GW, and target S-GW returns the deleting bearing response to target SGSN.
Step S37, target SGSN are changeed handoff response (or switching refusal) message before the MME of source, carry the load information of Target cell in this message.
Step S38, source MME send switching command (perhaps handoff failure) message to source eNB, comprise the load information of Target cell in this message; Source eNB preserves the load information of described Target cell.
Fig. 4 shows the handoff procedure from origin system (UTRAN/GERAN system) to goal systems (E-UTRAN system), may further comprise the steps:
Step S41, source RNC/BSS send to switch to source SGSN and prepare message, and this switching is prepared message and carried the load information of cell-of-origin.
Step S42, source SGSN change handoff request message before target MME, this message is carried the load information of cell-of-origin; Target eNB is preserved the load information of cell-of-origin.
Step S43, target MME and target S-GW set up carrying;
Step S44, target MME send handoff request message to target eNB, comprise the load information of cell-of-origin in this message; Target eNB is preserved the load information of cell-of-origin.
Step S45, target eNB are returned switching request acknowledgement message (perhaps switch failure information) to target MME, carry the load information of Target cell in this message.
Step S46, target MME change handoff response (perhaps switching refusal) message before the SGSN of source, comprise the load information of Target cell in this message.
Step S47, source SGSN send switching command (perhaps handoff failure) message to source RNC/BSS, comprise the load information of Target cell in this message; Source RNC/BSS preserves the load information of Target cell.
After above-mentioned steps S31-step S36 or step S41-step S47, the eNB of origin system and the RNC/BSS of goal systems store the other side's cell load situation, so, if there is the UE that is in activated state in the eNB/RNC/BSS compass of competency, then eNB/RNC/BSS can be according to the measurement report of UE, the load state of the load state of present its Serving cell and the sub-district of other systems, the sub-district better for UE selection signal quality, that load is lower is as Target cell, loading condition between the improvement system, thereby the overall performance of elevator system.
In a further embodiment, the load information interaction of the sub-district between different system can be realized by other modes, for example: the eNB/RNC/BSS of origin system reports the cell-of-origin load information to OAM, OAM sends the load information of described cell-of-origin again to all adjacent sub-districts (comprising the adjacent sub-district that is in other system) of this sub-district, preserve after receiving the load information of described cell-of-origin described adjacent sub-district, simultaneously report its cell load information to OAM, OAM returns the load information of described adjacent sub-district at the eNB/RNC/BSS to origin system.
The embodiment of the invention also provides a kind of load information interaction system that realizes between different system simultaneously, a kind of version of this system as shown in Figure 5: comprise access network node 51 and core net node 52, wherein:
Core net node 52 is used for: the core net node that the load information message transfer of access network node 51 transmissions is sent to described Target cell place system; And, the load information message transfer of the core net node load information that return, that carry described Target cell of described Target cell place system is returned to access network node 51.
The disclosed system of the embodiment of the invention can be for LTE, UTRAN/GERAN system, and when for the former, access network node 51 is eNB, and core net node 52 is MME; When being the latter, access network node 51 is RNC/BSS, and core net node 52 is SGSN.
In other embodiments, access network node 51 can be eNB/RNC/BSS, core net node 52 is OAM, eNB/RNC/BSS is when predetermined condition (load of sub-district as management reaches predetermined threshold), to OAM reporting subdistrict load information, OAM is at the load information that sends (comprising the sub-district that is in other system) this sub-district to all adjacent sub-districts of this sub-district, preserve after receiving the load information of described sub-district each adjacent sub-district, report the load information of this sub-district simultaneously extremely to described OAM, return to described eNB/RNC/BSS by described OAM, thereby finished the mutual of cell load information between different system.
The embodiment of the invention also discloses a kind of load information interaction device that is arranged at above-mentioned access network node simultaneously, and a kind of version of this device comprises as shown in Figure 6:
Load information transmitting element 61 is used for sending to the tension management node of place access network node the load information of the sub-district of described access network node management, and is in the sign of the Target cell of other system;
Load information receiving element 62 receives the information of the load information that carries described Target cell that described tension management node returns.
In addition; have and receive load information and the Target Cell Identifier function that load information transmitting element 61 sends, the tension management node (being core net node 52) that obtains the load information of described Target cell and return to the function of load information receiving element 62 also belongs to protection category of the present invention.
The technique scheme that the embodiment of the invention provides is provided with load information by independent information or in handover information, carry out the mutual of cell load information between different system, from making each system fully understand the cell load situation of other system, so, behind the measurement report that receives the UE that is in activated state, can consider the Serving cell of present described UE and the load state of other sub-districts comprehensively, and then can select the lower sub-district of load as Target cell for described UE, and switch, thereby can improve the load balancing situation, the overall performance of elevator system.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part partly illustrates referring to method and gets final product.
It will be understood by those skilled in the art that and to use many different technologies and in the technology any one to come expression information, message and signal.For example, the message of mentioning in the above-mentioned explanation, information can be expressed as voltage, electric current, electromagnetic wave, magnetic field or magnetic particle, light field or above combination in any.
The professional can also further recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each specific should being used for, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can directly use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (13)
1. a load information interaction method is characterized in that, comprising:
The access network node of first system sends the load information of the sub-district of described access network node management to the tension management node, and is in the sign of the Target cell of other system;
Receive the information of the load information that carries described Target cell that described tension management node returns.
2. the method for claim 1 is characterized in that, described access network node is a base station eNB, and described tension management node is a mobile management entity MME.
3. method as claimed in claim 2 is characterized in that:
The load information of the sub-district of the described access network node management of described transmission is specially: eNB sends to switch to described MME and prepares message, and described switching is prepared message and carried the load information of the sub-district of being managed;
The information of the load information that carries described Target cell that the described tension management node of described reception returns is specially: receive switching command or switch failure information that described MME returns, carry the load information of described Target cell in this switching command or the switch failure information.
4. the method for claim 1 is characterized in that, described access network node is radio network controller (RNC)/BSS, and described tension management node is service universal packet wireless business affair support node SGSN.
5. method as claimed in claim 4 is characterized in that:
The load information of the sub-district of the described access network node management of described transmission is specially: RNC/BSS sends to switch to SGSN and prepares message, and described switching is prepared message and carried the load information of the sub-district of being managed;
The information of the load information that carries described Target cell that the described tension management node of described reception returns is specially: receive switching command or switch failure information that described SGSN returns, carry the load information of described Target cell in this switching command or the switch failure information.
6. the method for claim 1 is characterized in that, described access network node is eNB/RNC/BSS, and described tension management node is Operations, Administration and Maintenance entity OAM.
7. a load information interaction device is arranged at access network node, it is characterized in that, comprising:
The load information transmitting element is used for sending to the tension management node of described access network node the load information of the sub-district of described access network node management, and is in the sign of the Target cell of other system;
The load information receiving element receives the information of the load information that carries described Target cell that described tension management node returns.
8. device as claimed in claim 7 is characterized in that, described access network node is eNB, and described tension management node is MME, and perhaps, described access network node is RNC/BSS, and described tension management node is SGSN.
9. device as claimed in claim 7 is characterized in that, described access network node is eNB/RNC/BSS, and described tension management node is OAM.
10. a load information interaction system comprises access network node and core net node, it is characterized in that:
Described access network node is used for: send the load information message transfer to the core net node of native system, this load information message transfer carries the load information of sub-district of described access network node management and the sign of Target cell; And, receive the load information message transfer of the load information that carries Target cell that described core net node returns;
Described core net node is used for: the core net node that the load information message transfer of described access network node transmission is sent to described Target cell place system; And, with the load information message transfer of the core net node load information that return, that carry described Target cell of described Target cell place system.
11. system as claimed in claim 10 is characterized in that, the load information message transfer that described access network node sends is prepared message for switching, and it is switching command or switch failure information that the load information that carries the load information of described Target cell spreads out of message.
12. system as claimed in claim 11 is characterized in that, described access network node is eNB, and described tension management node is MME, and is perhaps described, and described access network node is RNC/BSS, and described tension management node is SGSN.
13. system as claimed in claim 11 is characterized in that, described access network node is eNB/RNC/BSS, and described tension management node is OAM.
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| WO2012126388A1 (en) * | 2011-03-22 | 2012-09-27 | 华为技术有限公司 | Method, access network control node, and system for sending and receiving load information |
| WO2012174824A1 (en) * | 2011-06-22 | 2012-12-27 | 中兴通讯股份有限公司 | Synchronization method, access method and devices for load information of same coverage cells |
| WO2014019123A1 (en) * | 2012-07-30 | 2014-02-06 | 华为技术有限公司 | Switch method between wireless access technologies, corresponding device, and communication system |
| WO2014063337A1 (en) * | 2012-10-26 | 2014-05-01 | 华为技术有限公司 | Method, device and system for redirecting air interface connection between systems |
| WO2014086022A1 (en) * | 2012-12-06 | 2014-06-12 | 华为技术有限公司 | User equipment, base station and method for information transmission |
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| CN111464933A (en) * | 2019-01-02 | 2020-07-28 | 中国移动通信有限公司研究院 | Driving parameter configuration method and server |
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| WO2012126388A1 (en) * | 2011-03-22 | 2012-09-27 | 华为技术有限公司 | Method, access network control node, and system for sending and receiving load information |
| WO2012174824A1 (en) * | 2011-06-22 | 2012-12-27 | 中兴通讯股份有限公司 | Synchronization method, access method and devices for load information of same coverage cells |
| US10091698B2 (en) | 2012-07-30 | 2018-10-02 | Huawei Technologies Co., Ltd. | Inter-radio access technology handover method, corresponding device, and communications system |
| WO2014019123A1 (en) * | 2012-07-30 | 2014-02-06 | 华为技术有限公司 | Switch method between wireless access technologies, corresponding device, and communication system |
| CN103828439A (en) * | 2012-07-30 | 2014-05-28 | 华为技术有限公司 | Switch method between wireless access technologies, corresponding device, and communication system |
| CN103828439B (en) * | 2012-07-30 | 2019-03-08 | 华为技术有限公司 | A kind of wireless access technology method for switching between, relevant device and communication system |
| WO2014063337A1 (en) * | 2012-10-26 | 2014-05-01 | 华为技术有限公司 | Method, device and system for redirecting air interface connection between systems |
| CN104081822A (en) * | 2012-10-26 | 2014-10-01 | 华为技术有限公司 | Method, device and system for redirecting air interface connection between systems |
| WO2014086022A1 (en) * | 2012-12-06 | 2014-06-12 | 华为技术有限公司 | User equipment, base station and method for information transmission |
| CN106465257A (en) * | 2014-05-30 | 2017-02-22 | 华为技术有限公司 | Radio network control method and radio network controller |
| CN106465257B (en) * | 2014-05-30 | 2020-02-14 | 华为技术有限公司 | Wireless network control method and wireless network controller |
| CN111464933A (en) * | 2019-01-02 | 2020-07-28 | 中国移动通信有限公司研究院 | Driving parameter configuration method and server |
| CN111464933B (en) * | 2019-01-02 | 2021-11-19 | 中国移动通信有限公司研究院 | Driving parameter configuration method and server |
| WO2022001611A1 (en) * | 2020-06-29 | 2022-01-06 | 华为技术有限公司 | Target cell determination method and apparatus, and storage medium |
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Effective date of registration: 20110506 Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Applicant after: Inst of Telecommunication Science and Technolgoy Address before: 100083 Haidian District, Xueyuan Road, No. 29, Applicant before: Datang Mobile Communication Equipment Co., Ltd. |
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